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BCBS prefix XXL: BCBS of Illinois, Blue Cross Community Health Plans

The short answerXXL is a Blue Cross and Blue Shield of Illinois prefix: Medicaid, on the Blue Cross Community Health Plans network (illinois Medicaid managed care, including the MLTSS population). File the claim to your local Blue plan; outside Illinois, BlueCard routes it to BCBS of Illinois by the prefix.

What the XXL prefix means

Home plan Blue Cross and Blue Shield of Illinois, a division of Health Care Service Corporation (HCSC). Medicaid. 1
Network Blue Cross Community Health Plans (network code TNF). Plans: Blue Cross Community Health Plans. 1
Who it covers Illinois Medicaid managed care, including the MLTSS population. 1
Area The State of Illinois. 1
How the network works A Medicaid network of BCBS of Illinois contracted hospitals, facilities and professional providers. Out-of-network services must be pre-authorized before the service. 1
Referrals Out-of-network services must be pre-authorized before the service. 1
Where to file In Illinois, to BCBS of Illinois, your local Blue plan. Outside Illinois, ask your local Blue plan before the visit: Medicaid members have their own out-of-area rules. Send the member ID exactly as printed, prefix included. 2
Verify benefits Through your local Blue plan's eligibility tools, or the phone number on the member's card, before the first visit. 2
MNT policy On the Illinois HFS practitioner fee schedule (fee-for-service), 97802 and 97803 carry indicator 09, Qualified Medicare Beneficiary coverage only. A Medicaid managed care plan can add its own rules, so ask the plan before the first visit. 3 4 See Illinois Medicaid MNT coverage.

Before a visit with prefix XXL

  1. Copy the current card, front and back, and enter the member ID exactly as printed, XXL included.
  2. Verify benefits for 97802 and 97803: through your local Blue plan's eligibility tools, or the phone number on the member's card. Ask whether nutrition counseling is covered, how many visits, whether a referral is needed, and what the member pays.
  3. Outside Illinois, ask your local Blue plan where the claim goes before the visit.

Another prefix? Type it in the lookup above or see every prefix we have. For how BlueCard routes an out-of-state Blue card, see BlueCard for dietitians.

Sources

  1. Blue Cross and Blue Shield of Illinois: Networks and Benefit Plans 2026, Government Programs (PDF)
  2. Blue Cross and Blue Shield of Illinois: BlueCard claims filing (PDF)
  3. Illinois HFS: Practitioner Fee Schedule, eff. 07/01/2026, updated 09/15/2026 (PDF)
  4. Illinois HFS: Practitioner Fee Schedule key, eff. 07/01/2026 (PDF)

Sources checked . Payer rules change; verify the member's benefits.

Frequently asked questions

What insurance is prefix XXL?

Blue Cross and Blue Shield of Illinois. Its 2026 network document lists XXL for Blue Cross Community Health Plans, illinois Medicaid managed care, including the MLTSS population.

Where do I send a claim with prefix XXL?

In Illinois, to BCBS of Illinois, your local Blue plan. Outside Illinois, ask your local Blue plan before the visit: Medicaid members have their own out-of-area rules. Send the member ID exactly as printed, prefix included.

Do XXL plans cover nutrition counseling?

On the Illinois HFS practitioner fee schedule (fee-for-service), 97802 and 97803 carry indicator 09, Qualified Medicare Beneficiary coverage only. A Medicaid managed care plan can add its own rules, so ask the plan before the first visit. The member's own plan decides, so verify benefits first.

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